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    <title></title>
    <style>

        .fl{float:left}
        .clear{clear: both;}
        .tabHost{width:100%;height:140px;position:fixed;bottom:0px;background-color: #ffffff;}
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<div class="tabHost">
    <div onclick="window.open('Home.html')" class="fl tab"><img src="image/tab1.png"  style="margin-left:80px"/><div class="font6">首页</div></div>
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